._htools-select {
    display: inline-block;
    margin: 0;
    border: 1px solid #dcdfe6;
    vertical-align: middle;
    transition: border 0.5s;
    -moz-transition: border 0.5s;
    /* Firefox 4 */
    -webkit-transition: border 0.5s;
    /* Safari 和 Chrome */
    -o-transition: border 0.5s;
    border-radius: 3px;
    cursor: pointer;
}

._htools-select * {
    margin: 0;
    padding: 0;
    outline: none;
}

._htools-select:hover ._select-selectbtn {
    border-top-color: dodgerblue;
    transition: border-top-color 0.5s;
    -moz-transition: border-top-color 0.5s;
    /* Firefox 4 */
    -webkit-transition: border-top-color 0.5s;
    /* Safari 和 Chrome */
    -o-transition: border-top-color 0.5s;
}

._htools-select:hover {
    border: 1px solid #959799;
}

._htools-select ._select-input {
    color: #3b4249;
    display: inline-block;
    font-size: 14px;
    margin-left: 5px
}

._htools-select ._select-selectbtn {
    width: 0;
    height: 0;
    border: 6px solid;
    border-color: #959799 transparent transparent transparent;
    position: relative;
    display: inline-block;
}

._htools-select ._select-selectbtn::after {
    content: '';
    position: absolute;
    top: -8px;
    left: -6px;
    border: 6px solid;
    border-color: white transparent transparent transparent;
}

._htools-select ._select-select-ul {
    background-color: white;
    outline: none;
    position: relative;
    z-index: 10;
    display: none;
    -webkit-box-shadow: 1px 0 10px rgba(0, 0, 0, 0.18);
    -moz-box-shadow: 1px 0 10px rgba(0, 0, 0, 0.18);
    box-shadow: 1px 0 10px rgba(0, 0, 0, 0.18);
}

._htools-select ._select-select-ul li {
    background-color: white;
    color: black;
    font-size: 14px;
    padding: 3px 6px;
    cursor: pointer;
    list-style-type: none;
    transition: color 0.2s, background-color 0.2s;
    -moz-transition: color 0.2s, background-color 0.2s;
    /* Firefox 4 */
    -webkit-transition: color 0.2s, background-color 0.2s;
    /* Safari 和 Chrome */
    -o-transition: color 0.2s, background-color 0.2s;
}

._htools-select ._select-select-ul li._select-li-selected {
    color: #007BFC;
}

._htools-select ._select-select-ul li:hover {
    background-color: #ecf2fa;
    color: #333;
}